The world has a different kind of beauty for people with color deficiencies.
We've altered one object in each image to simulate the eight different forms of color deficiencies. Can you spot them all?
This is how a red berry might look to someone with deuteranopia.
With deuteranopia, there are no functioning green cones. This causes reds to look brown or yellow and green to appear as beige.
The altered image shows what these balloons might look like to someone with a protanomaly.
With protanomaly, photopigments in red cones are abnormal. The colors red, orange, and yellow appear greener, with colors appearing more subdued.
This is what the whole image of cotton candy might look like for someone with protanopia.
People with protanopia have no working red cone cells. The color red appears black, and certain shades of orange, yellow, and green appear yellowish.
This is how the yellow flowers might look to someone with deuteranomaly.
Green cones are abnormal for people with deuteranomaly, causing yellows and greens to appear redder. Deuteranomaly can also make it difficult to distinguish violet from blue.
This is how a yellow piece of candy might look to someone with tritanopia.
Tritanopia is the lack of blue cone cells. This causes blue to appear green and yellow to appear violet or light gray.
This is how a yellow macaron might look to someone with tritanomaly.
With tritanomaly, blue cone cells have limited functionality. This causes blues to appear greener and makes it difficult to distinguish yellow and red from pink.
The dark pepper would appear colorless to someone with rod monochromacy.
With rod monochromacy, all cone cells lack functional photopigments. This means that people with rod monochromacy essentially see the world in black and white.
This is how the white-and-blue doughnut might look to someone with a blue cone monochromacy.
A green, red, or blue cone monochromacy is the result of two or three cone cell photopigments failing to work. People with cone monochromacy have difficulty distinguishing between different colors.
Facts from The National Eye Institute.